using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^([a-z-]+|[\w]+)\.(((?!\.s1).+\.)?(co1|az1|ut1|eng|au1)\.(qprod|qops)\.net)$";
string input = @"test-app.az1.qprod.net
jwm12535.s1.az1.qprod.net
testing2.eng.qops.net
kvm1.c1.co1.qprod.net
bs1.co1.qprod.net
staging.s1.co1.qprod.net
staging.co1.qprod.net
server.s1.co1.qprod.net
s1.co1.qprod.net
server2.co1.qprod.net
s.co1.qprod.net
testing.az1.qprod.net
something1.eng.qops.net";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx